gdi programming with c sharp phần 7 potx

... void GammaCorrectionMenu_Click( object sender, System.EventArgs e) { Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Create a rectangle Rectangle rect = new Rectangle(20, ... System.EventArgs e) { // Create a Graphics object Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Create a GraphicsPath object GraphicsPath path = new GraphicsPath(); // Create...

Ngày tải lên: 12/08/2014, 19:20

... colorMap1.OldColor = Color.Red; colorMap1.NewColor = Color.Green; colorMap2.OldColor = Color.Yellow; colorMap2.NewColor = Color.Navy; colorMap3.OldColor = Color.Blue; colorMap3.NewColor = Color.Aqua; ... System.EventArgs e) { // Create a Graphics object Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Create two colors Color lClr = Color.FromArgb(245,0,0); Color uCl...

Ngày tải lên: 12/08/2014, 19:20

... Section 7. 4. Playing Animations in GDI+ Section 7. 5. Working with Bitmaps Section 7. 6. Working with Icons Section 7. 7. Skewing Images Section 7. 8. Drawing Transparent Graphics Objects This ... the device context (HDC), which is used by GDI to send information to the device. In GDI+ , the concept of device context and handle to the device context is replaced by the...

Ngày tải lên: 12/08/2014, 19:20

... rectangle. Intersect Replaces a rectangle with the intersection of itself and another rectangle. IntersectsWith Determines if a specified rectangle intersects with rect. Offset Adjusts the location of a specified ... Point objects. You can test this code on a button or a menu click event handler. Listing 2.9 Creating RectangleF objects // Create a Graphics object Graphics g = this.Create...

Ngày tải lên: 12/08/2014, 19:20

... (rect, startColor, endColor, mode); } // Gamma correction check box is checked if(checkBox1.Checked) { lgBrush.GammaCorrection = true; } // Fill rectangle g.FillRectangle(lgBrush, rect); ... this class. Alternatively, an application can refer to the HatchBrush class as System.Drawing.Drawing2D.HatchBrush. public HatchBrush(HatchStyle, Color); public HatchBrush(HatchStyle, Color, Colo...

Ngày tải lên: 12/08/2014, 19:20

... color AppWorkspace Multiple-document interface (MDI) workspace background color Control Control background color ControlDark 3D control shadow color ControlDarkDark 3D control dark shadow color ControlLight 3D ... active caption, and control dark system colors, respectively. textBox1.BackColor = SystemColors.InactiveBorder; radioButton1.BackColor = SystemColors.ActiveCaption; button1.BackColo...

Ngày tải lên: 12/08/2014, 19:20

... In vector images, a vector is the entity to be controlled. Each vector can have a separate color or shade. So a vector image with a line and a rectangle is a set of vectors in which each vector ... item click event handlers private void CircleMenu_Click(object sender, System.EventArgs e) { // Create a rectangle Rectangle rect = new Rectangle(50, 0, 300, 300); // Create a Shape object...

Ngày tải lên: 12/08/2014, 19:20

... e) { // Create a Graphics object Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Create a rectangle Rectangle rect = new Rectangle(20, 20, 100, 100); // Create a solid brush ... objects. Listing 10.18 Using ColorMatrix to translate colors private void TranslationMenu_Click(object sender, System.EventArgs e) { // Create a Graphics object Graphics g = this.CreateGraph...

Ngày tải lên: 12/08/2014, 19:20

... HatchBrush(HatchStyle.Cross, Color.Red, Color.Yellow); // Create a Bitmap object Bitmap curBitmap = new Bitmap(200, 200); // Create a Graphics object from Bitmap Graphics g = Graphics.FromImage(curBitmap); ... members MemberDescription AutomaticFeed Automatically fed paper Cassette A paper cassette Custom A printer-specific paper source Envelope An envelope FormSource The printer's...

Ngày tải lên: 12/08/2014, 19:20

... properties: ClipRectangle and Graphics.ClipRectangle indicates the rectangle in which to paint, and the Graphics property indicates the Graphics object associated with the paint event of a particular control ... draw Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Create a Bitmap object with the size of the form Bitmap curBitmap = new Bitmap(ClientRectangle.Width, ClientR...

Ngày tải lên: 12/08/2014, 19:20